Human Genome Sciences Prices $430 Million Convertible Notes Issuance

ROCKVILLE, Md.--(BUSINESS WIRE)--Human Genome Sciences, Inc. (Nasdaq: HGSI) today announced that it has priced an underwritten public offering of $430 million aggregate principal amount of Convertible Senior Notes due 2018, which was upsized from the previously announced $400 million offering. Citigroup is acting as the underwriter. The underwriter has the option to purchase up to an additional $64.5 million aggregate principal amount of notes from the company, within 30 days. The offering is expected to close on November 7, 2011, subject to customary closing conditions.